... We thank the Swift team for their rapid scheduling of this observation. ... 2455705.20851 V 14.15 0.03 2455707.83079 V 14.10 0.03 2455710.84028 V 13.53 0.02 2455713.64631 V 13.66 0.02 2455714.65479 V 14.11 0.03 2455714.71823 V 14.12 0.02 2455714.78596 V 14.20 0.02 2455717.39593 V 14.37 0.03 2455726.62861 V 14.83 0.04 2455727.16343 V 14.57 0.04 2455730.50586 V 14.57 0.03 2455730.57329 V 14.56 0.03 2455730.70360 V 14.66 0.04 2455738.32865 V 14.00 0.02 2455742.86146 V 14.21 ...

... Phase Correction Algorithms | ... R. Bolton, B. Nikolic, J. Richer, The Power Spectrum of Atmospheric Path Fluctuations at the ALMA Site from Water Vapour Radiometer Observations , ALMA Memo 592, PDF , ALMA Memo series entry . Emily I. Curtis, Bojan Nikolic, John S. Richer and Juan R. Pardo, Atmospheric dispersion and the implications for phase calibration , ALMA Memo 590. ... B. Nikolic, ALMA Phase Calibration/Correction , Presented at Algorithms 2008 Workshop, Oxford, December 2008. pdf . ...

... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

... The weather throughout this year was so extremely favorable that I have been able to observe the Sun clearly on 312 days; however, I counted only 34 groups of sunspots.. From my earlier observations, which I have reported every year in this journal, it appears that there is a certain periodicity in the appearance of sunspots and this theory seems more and more probable from the results of this year.. ... Year . ... Days when no . ... Observation Days . ... 273 . ... 282 . ... 244 . ... 149 . ...

... Seminar archive . ... Seminar archive 2013 19 July . ... Wide-field transient surveys and supernova shock breakout . ... Many transient surveys are performed intensively in these days and time-domain astronomy comes under the spotlight. ... The shock breakout is the bolometrically brightest phenomenon in supernovae but it is difficult to observe the shock breakout due to the short duration and X-ray/ultraviolet-peaked spectra. ... All seminars: . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

... OH, = 18 cm Nancay Radio Telescope, OH 18-cm line observations , since 1969 F, Jy 6 4 2 0 0 -1 -2 0 -1 -2 0 -2 -4 -6 30 40 50 1612 MHz I HU Pup August 5, 2009 1665 MHz 4 2 0 0.5 0.0 - 0.5 -1.0 -1.5 1.0 0.5 0.0 - 0.5 4 3 2 1 0 -1 1667 MHz I I 1.0 0.5 0.0 0.5 0.0 22-meter telescope, Pushchino Radio Astronomy Observatory H2O F, Jy 1.0 0.5 0.0 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.6 0.6 0.4 0.2 0.0 -0.2 -0.4 -70 -60 -50 -40 -30 -20 -10 0 Mira-type star R Leo. ...

... 2002 . I half-year . ... 2003 . ... 2004 . ... 2005 . ... 2006 . ... I half-year (pdf) . ... 2015 . ... Last update: 17/11/2015 ...

... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Next: P1724 Up: Specific Stars Previous: Specific Stars . ... They reported a 2.5 day rotation period for this star which they confirmed with their 1995 results (Bouvier et al . 1995). ... only averaged one measurement per night, they were not sensitive to periods of < 2 days. ... TAP 26 was monitored from MTSB on 15 nights. ... If one confines the period search range for the MTSB data to be greater than one day, the results are nearly identical to those for the data presented by Bouvier et al . ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

As it proposed by the Statutes/Regulations of the International Astronomy Olympiad, the first part of preparing application to participate in the coming IAO is presenting of a short report of National Astronomy Olympiad of the current year for the Advisory Committee. ... Date of receiving report from the country . ... July 18 - August 7 . ... August 31 . ... Date of receiving draft report (or not full report) . ... Date of receiving official application . ... Done after receiving ANRAO application) . ...

New England observer Lew Gramer, fresh back from his mid-November fish observing and meteor-catching expedition in South Florida, reports that December also promises to be a great month for celestial sky-sparks!" ... Other showers adding to the mix this month include several very minor showers, such as the Chi Orionids (3 Dec), Monocerotids (9 Dec) and Sigma Hydrids (12 Dec), which usually contribute no more than 2 or 3 meteors per hour during even post-midnight observing this month. ...

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Posted on February 6, 2014 | 2 Comments While the winter sky may be the тАШAladdinтАЩs caveтАЩ for skywatchers, and we may already have plundered deeply one of its greatest celestial treasures, the constellation of Orion, we forge [ ] . Continue Reading.. Posted on January 22, 2014 | ... Posted on December 6, 2013 | ... Posted on November 6, 2013 | ... Posted on October 4, 2013 | ... Posted on September 9, 2013 | ...

... Low-Frequency Flux-Density Measurements and Spectral Features of Millisecond Pulsars . ... Radio flux-density measurements for a large sample of millisecond pulsars at a low frequency of 102 MHz are presented. ... The spectra of millisecond and normal pulsars have been found to differ. The spectra of millisecond pulsars have no low-frequency turnover typical of normal pulsars. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... August 2014 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

OBSERVATIONS OF COORBITAL SATELLITES OF SATURN Emel'yanov N., Varfolomeev M. Sternberg State Astronomical Institute, Moscow, e-mail : emelia@sai.msu.ru Institut de MИcanique CИleste et de Calcul des иphИmИrides, Paris, e-mail : emelia@imcce.fr Abstract. To improve the orbital parameters and masses of coorbital satellites of Saturn, Janus and Epimetheus, new observations of these satellites are necessary. ... IN: Saturn. ... New observations of Saturn's coorbital satellites" - Icarus. ...

... SUPERNOVAE 2005bv AND 2005bw . ... IAUC 8515; 0.60-m automated supernova patrol telescope ). ... Offset 2005bv љ Apr . ... IAUC 7178). SUPERNOVAE 2005bf AND 2005bq . ... IAUC 8515), obtained in the course of the Carnegie Supernova Project on Apr. ... IAUC 8507, 8509) is undergoing an unusual photometric behavior, brightening from u' = 18.69 on Apr. 7 to u' = 17.90 on Apr. 13, and declining to u' = 18.61 on Apr. 21, after which it has been re- brightening (reaching u' = 17.92 on Apr. ...

... Research School of Astronomy & Astrophysics . ANU College of Physical & Mathematical Sciences . EXPLORE ANU . ... Research . ... ANU College of . ... SEARCH . ... Search query . Search . Search query Search button . ... Intranet . Intranet home . ... RSAA people . ... ANU Outlook 365 email login . ... ANU Library request form . ... 2006 (PDF,6MB) . 2005 (PDF,6MB) . 2004 (PDF,2MB) . ... 2002 (PDF,2MB) . 2001 (PDF,2MB) . 2000 (PDF,2MB) . 1999 (PDF,2MB) . ...